Finding the Fourth Proportional to 981,842.36, 1,354,950.38 and 546,266.12
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Solution
The fourth proportional to 981,842.36, 1,354,950.38 and 546,266.12 is: 753,851.65
Step by Step Solution
- Step 1: Write the proportion equation
981,842.36 : 1,354,950.38 = 546,266.12 : x - Step 2: Convert to fraction form
981,842.36/1,354,950.38 = 546,266.12/x - Step 3: Cross multiply
981,842.36x = 1,354,950.38 × 546,266.12 - Step 4: Simplify right side
981,842.36x = 740,163,486,875.13 - Step 5: Solve for x
x = 740,163,486,875.13/981,842.36 - Step 6: Final answer
x = 753,851.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.